Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Kb5 win in 1 half-moves
3 Kc5 win in 1 half-moves
4 Kd4 win in 1 half-moves
5 Kd5 win in 1 half-moves
6 Ra8 win in 1 half-moves
7 Rb8 win in 1 half-moves
8 Rc8 win in 1 half-moves
9 Rd8 win in 1 half-moves
10 Re8 win in 1 half-moves
11 Rf8 win in 1 half-moves
12 Rg1 win in 1 half-moves
13 Rg2 win in 1 half-moves
14 Rg3 win in 1 half-moves
15 Rg5 win in 1 half-moves
16 Rg6 win in 1 half-moves
17 Rg7 win in 1 half-moves
18 Rh8 win in 1 half-moves
19 Kb3 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Rg4 loss in 1 half-moves